Fatty acid synthase and liver triglyceride metabolism: housekeeper or messenger?

Fatty acid synthase and liver triglyceride metabolism: housekeeper or messenger?
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DOI:
10.1016/j.bbalip.2011.09.017
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发表时间:
2012-05
期刊:
Biochimica et biophysica acta
影响因子:
--
通讯作者:
Semenkovich CF
Semenkovich CF
中科院分区:
其他
文献类型:
--
作者:
Jensen-Urstad AP;Semenkovich CF

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Fatty acid synthase (FAS) catalyzes the de novo synthesis of fatty acids. In the liver, FAS has long been categorized as a housekeeping protein, producing fat for storage of energy when nutrients are present in excess. Most previous studies of FAS regulation have focused on the control of gene expression. However, recent findings suggest that hepatic FAS may also be involved in signaling processes that include activation of peroxisome proliferator-activated receptor α (PPARα). Moreover, reports of rapid alterations in FAS activity and as well as findings of post-translational modifications of the FAS protein support the notion that dynamic events in addition to transcription impact FAS regulation. These results indicate that FAS enzyme activity can impact liver physiology through signaling as well as energy storage and that its regulation may be complex.
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